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    <ul>
        <li>apple</li>
        <li>xiaomi</li>
        <li>huawei</li>
        <li>oppo</li>
    </ul>
    <dl>
        <dt>html</dt>
        <dt>java</dt>
        <dt>c++</dt>
        <dd>负责网页结构</dd>
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